<template>
  <div>生命周期与组件</div>
  <HelloWorldVue msg="组件"></HelloWorldVue>
</template>

  <script setup lang="ts">
  import { reactive, toRefs, onBeforeMount, onMounted } from 'vue'
  import HelloWorldVue from '../components/HelloWorld.vue';

  </script>

  <style scoped lang='less'>

  </style>
